Medically reviewed by Sanja Jelic, MD Key Takeaways Sleep paralysis happens when you wake up but can't move for a few minutes ...

Many people who experience sleep paralysis see frightening hallucinations some call "sleep paralysis demons." - Illustration by Leah Abucayan/Alberto Mier/CNN Baland Jalal lay in bed terrified, ...

Most of us have had nightmares involving scary monsters at some point in our lives. But that fear pales in comparison with the seemingly real mysterious and menacing figure who has people around the ...

Have you ever hallucinated getting out of bed, only to find out later that you’re still asleep? How about multiple times in a row? Ben Rein, a neuroscientist at Stanford University and a social media ...

The investigative minds at How to Survive explore sleep paralysis hallucinations, causes, and how to cope safely.

(CNN) — Sign up for CNN’s Sleep, But Better newsletter series. Our seven-part guide has helpful hints to achieve better sleep. Baland Jalal lay in bed terrified, experiencing his own real-life horror ...

Sign up for CNN’s Sleep, But Better newsletter series. Our seven-part guide has helpful hints to achieve better sleep. Baland Jalal lay in bed terrified ...